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Answer Posted / kumar
Mr.aravind your question is not clear .post clear question
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Can anybody tell abt concrete encased earthing or grounding?
What is the formula for calculating the Instantaneous Short Circuit & overcurrent for any breaker
What is a single phase autotransformer?
wat system call?
briefly explain principle of resistance welding
Do u know any one? how to find out in motor rated amps? formula?
how will we calculate the copper wire load..
what are problems caused by the pdu in rack server
why would amp draw on neutral wire be as much as amp draw on the hot leg.
why transmission is only 3 phase and not 2 or 4 or poly phases
Explain what is electric traction?
Where burned of electricity,when,who, & why.
What is the need of earthing transformer for delta side of a transformer. (Think of a line section between a star/delta transformer at a grid substation and delta/star transformer at a village. An earthing transformer is there at the delta side of the star/delta transformer at grid substation). As there are no ground reference there will not be fault current if a one phase is grounded. Further L-L phase will be sensed by the primary side of star/delta transformer as a L-G fault. So why an earthing transformer is required at delta side
Pls explan the OLR setting in VCB at HT yard
i have attended the interview on 4th June,08 at Kolkata in IOCL, can anybody tell me what is its result
